import book.BookList;
import user.AdminUser;
import user.NormalUser;
import user.User;

import java.util.Scanner;

public class Main {

    public static User login(){
        System.out.println("请输入你的名字： ");
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();
        System.out.println("请输入你的身份：1-》管理员。0-》普通用户");
        int choice = scanner.nextInt();
        if(choice == 1){
            return new AdminUser(name);
        }else{
            return new NormalUser(name);
        }
    }

    public static void main(String[] args) {

        BookList bookList = new BookList();
        User user = login();//向上转型
        while(true){
            int choice = user.menu();//发生动态绑定 -》多态
            //根据你的choice调用合适的操作
            user.doWork(choice,bookList);
        }

    }
}
